biotite.structure.filter_carbohydrates

biotite.structure.filter_carbohydrates(array)[source]

Filter all atoms of one array that belong to carbohydrates.

Parameters
arrayAtomArray or AtomArrayStack

The array to be filtered.

Returns
filterndarray, dtype=bool

This array is True for all indices in array, where the atom belongs to a carbohydrate.

Notes

Carbohydrates are identified according to the PDB chemical component dictionary. A residue is considered a carbohydrate if it its _chem_comp.type property has one of the following values (case insensitive):

D-SACCHARIDE, D-SACCHARIDE,ALPHA LINKING, D-SACCHARIDE, BETA LINKING, L-SACCHARIDE, L-SACCHARIDE, ALPHA LINKING, L-SACCHARIDE, BETA LINKING, SACCHARIDE